Modular sofa



FIG. 1 is a front, perspective-view of a modular sofa;

FIG. 2 is a front view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left-side view thereof; and,

FIG. 6 is a top view thereof. 

CLAIM The ornamental design for the modular sofa, as shown and described. 